# Upgrades Charts

<table><thead><tr><th>Upgrade Name</th><th width="150">Improves</th><th width="150">Allocation Chance</th><th width="150">Stack Limit</th><th>Change Per Upgrade</th></tr></thead><tbody><tr><td>Stability</td><td>Rarity</td><td>11%</td><td>5</td><td>+2<br>(percentage points)</td></tr><tr><td>Tech</td><td>Time</td><td>11%</td><td>5</td><td>-10%<br>(of base value)</td></tr><tr><td>Enhance</td><td>Purity</td><td>15%</td><td>5</td><td>+2<br>(Added to upper and lower limits)</td></tr><tr><td>Precision</td><td>Failures</td><td>11%</td><td>3</td><td>-1<br>(percentage point)</td></tr><tr><td>Xtended</td><td>Warranty</td><td>15%</td><td>3</td><td>+14 <br>(days without catastrophic fail)</td></tr><tr><td>Assembler</td><td>Parts</td><td>10%</td><td>N/A</td><td>N/A</td></tr><tr><td>Thread</td><td>Processing</td><td>20%</td><td>N/A</td><td>N/A</td></tr><tr><td>Mechikit</td><td>ARC</td><td>7%</td><td>N/A</td><td>N/A</td></tr></tbody></table>

### &#x20;Upgrade Success Rate per ARCs

Upgrades are considered R\&D tech and have a higher failure rate than building parts, but a lower build time. Their first stage success rates and # stages appear below for each ARC type. Higher class machines require much more complex upgrade parts and therefore have a higher failure rate.&#x20;

<table><thead><tr><th>ARC-Forge Type</th><th>Upgrade FSSR</th><th width="153">Stages</th><th>Build Time Range</th></tr></thead><tbody><tr><td>AXIS-REC</td><td>90%</td><td>6</td><td>3 - 5</td></tr><tr><td>AXIS-H</td><td>89%</td><td>6</td><td>3 - 5</td></tr><tr><td>AXIS-S</td><td>88%</td><td>5</td><td>4 - 6</td></tr><tr><td>AXIS-PRO</td><td>87%</td><td>4</td><td>5 - 7</td></tr><tr><td>AXIS-E9</td><td>86%</td><td>4</td><td>6 - 8</td></tr><tr><td>AXIS-E9 LE</td><td>86%</td><td>4</td><td>6 - 8</td></tr></tbody></table>
